Settings: Notification Drawer Brightness Slider - (2/2)

Patchset 2:
- add category
- add summary
- change title

Patchset 3:
- clean up

Patchset 4:
- if you do a translatable array you should link it to strings.xml ;)

cheers

Change-Id: I3e466d4df26ec82c761c89aac9aa04b22e05fc0c

Conflicts:
	res/values/strings.xml
	res/xml/power_widget_settings.xml
	src/com/carbon/settings/fragments/PowerWidget.java